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Did you know?
The familiar sounds of your heart are made by the heart's valves as they open and close.
Did you know?
This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
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Cyanide works by making the human body unable to use oxygen.
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Limit intake of red meat and dairy products made with whole milk. Choose skim milk, low-fat or fat-free dairy products. Limit fried food. Use healthy oils when cooking.
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Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.